On Wed, 2010-03-31 at 23:26 -0700, H. Peter Anvin wrote: > On 03/31/2010 03:26 PM, Andrew Morton wrote: > > > > Not by adding overhead to every single down_read()/down_write() just to > > fix a once-off startup problem - that's taking laziness way too far. > > > > How much overhead is this on non-x86 architectures (keep in mind x86 > doesn't use this?) None on powerpc, we use atomic ops and don't disable IRQs. BTW. The same problem used to happen with mutex debug. Was this ever fixed ? Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
